Re: AS SET

From: Nadeem Rafi <nrafia_at_gmail.com>
Date: Sun, 14 Mar 2010 22:21:31 +0300

If i am wrong please correct me.

when bgp is summarized then information for the routes being summarized is
lost. And summarizing AS is considered to be originator of this new route.
All the AS afterwards dont have knowledge of routes being summarized that
from which AS they belong. And this can led from non-optimal routing to
routing loops, because of this as-set is used to feed with
more information about routes being summarized.

HTH

On Sun, Mar 14, 2010 at 10:12 PM, Muzammil Malick <malickmuz_at_gmail.com>wrote:

> Hi
>
> Could someone please help me out and explain why you would include AS
> information in a bgp summary (aggregate-address 10.0.0.0 255.255.0.0
> summary-only as-set)
>
> I know what it does and how to use it but why from a design perspective
> would you want to send AS information as apart of a summary.
> Can someone provide an example?
>
>
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Received on Sun Mar 14 2010 - 22:21:31 ART

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